Stop in for a cup of coffee

you can always make a 340 clone down the road if that's what your after.
I would be tempted to put a 4 barrell on the 318 under the hood and some valve covers done by Leanna and call it good. I am not a tire smoker and like 20 mpg when cruising to shows.

what I started out with

That's a nice clean Swinger Rani. I wish I had the place to work on my cars like you do. (and the patience too)